Chem 101 - General Chemistry I » Spring 2021 » Sig Fig Review

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Question #1
How many significant figures are in the number 14.04?
A.   3
B.   1
C.   2
D.   4
Question #2
How many significant figures are in the number 60.02 × 105?
A.   4
B.   None of these
C.   3
D.   2
E.   5
Question #3
How many significant figures does the number 7,260 have?
A.   1
B.   4
C.   3
D.   2
E.   5
Question #4
How many significant figures does the number 15,550 have?
A.   4
B.   2
C.   1
D.   3
Question #5
Determine the correct number of sig figs in: 0.008040
A.   3
B.   6
C.   7
D.   4
Question #6
A tile is measured on both sides and is found to have dimensions 1.42 inches x 2.0 inches. What is the area of the rectangle?
A.   3 in
B.   3 in2
C.   2.8 in
D.   2.84 in2
E.   2.8 in2
F.   2.84 in
Question #7
Three quarter coins were weighed and found to have masses: 5.56 g 5.45 g 5.76 g What is the average of these three measurements?
A.   5.590 g
B.   5.65 g
C.   5.559 g
D.   5.90 g

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